CA2740635C - Compositions and methods for inhibiting corrosion in aqueous media - Google Patents
Compositions and methods for inhibiting corrosion in aqueous media Download PDFInfo
- Publication number
- CA2740635C CA2740635C CA2740635A CA2740635A CA2740635C CA 2740635 C CA2740635 C CA 2740635C CA 2740635 A CA2740635 A CA 2740635A CA 2740635 A CA2740635 A CA 2740635A CA 2740635 C CA2740635 C CA 2740635C
- Authority
- CA
- Canada
- Prior art keywords
- acid
- ppm
- recited
- corrosion
- polymaleic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/105—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
- C23F11/124—Carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/173—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/262,833 US8025840B2 (en) | 2008-10-31 | 2008-10-31 | Compositions and methods for inhibiting corrosion in aqueous media |
US12/262,833 | 2008-10-31 | ||
PCT/US2009/058584 WO2010062461A1 (en) | 2008-10-31 | 2009-09-28 | Compositions and methods for inhibiting corrosion in aqueous media |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2740635A1 CA2740635A1 (en) | 2010-06-03 |
CA2740635C true CA2740635C (en) | 2018-05-29 |
Family
ID=41402456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2740635A Active CA2740635C (en) | 2008-10-31 | 2009-09-28 | Compositions and methods for inhibiting corrosion in aqueous media |
Country Status (10)
Country | Link |
---|---|
US (1) | US8025840B2 (zh) |
EP (1) | EP2347034A1 (zh) |
JP (1) | JP2012507627A (zh) |
KR (1) | KR20110081324A (zh) |
CN (1) | CN102203322A (zh) |
BR (1) | BRPI0914532A2 (zh) |
CA (1) | CA2740635C (zh) |
MX (1) | MX2011004609A (zh) |
WO (1) | WO2010062461A1 (zh) |
ZA (1) | ZA201103585B (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9023784B2 (en) * | 2012-09-13 | 2015-05-05 | Ecolab Usa Inc. | Method of reducing soil redeposition on a hard surface using phosphinosuccinic acid adducts |
US9752105B2 (en) | 2012-09-13 | 2017-09-05 | Ecolab Usa Inc. | Two step method of cleaning, sanitizing, and rinsing a surface |
US8871699B2 (en) | 2012-09-13 | 2014-10-28 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US9994799B2 (en) | 2012-09-13 | 2018-06-12 | Ecolab Usa Inc. | Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use |
US9023779B2 (en) | 2013-03-15 | 2015-05-05 | Ecolab Usa Inc. | Inhibiting corrosion of aluminum on consumer ware washing product using phosphinosuccinic acid oligomers |
CA2932347C (en) * | 2013-12-02 | 2023-02-14 | Ecolab Usa Inc. | Tetrazole based corrosion inhibitors |
CN103806004B (zh) * | 2014-02-25 | 2015-09-30 | 山东省科学院能源研究所 | 太阳能热水器用换热工质 |
US9133418B1 (en) | 2014-04-07 | 2015-09-15 | Ecolab Usa Inc. | Non-silicated high alkaline cleaner with aluminum protection |
US9290851B2 (en) * | 2014-06-03 | 2016-03-22 | Ecolab Usa Inc. | Specific 3-alkylamino-2-hydroxysuccinic acids and their salts as corrosion inhibitors for ferrous metals |
US9677031B2 (en) | 2014-06-20 | 2017-06-13 | Ecolab Usa Inc. | Catalyzed non-staining high alkaline CIP cleaner |
US10882771B2 (en) | 2015-02-06 | 2021-01-05 | Baker Hughes, A Ge Company, Llc | Use of phosphino polymer and polyhydroxypolycarboxylic acid as corrosion inhibitor |
CN106319528A (zh) * | 2015-06-26 | 2017-01-11 | 埃科莱布美国股份有限公司 | 一种缓蚀剂组合物及其用途 |
US10174429B2 (en) | 2015-11-05 | 2019-01-08 | Chemtreat, Inc | Corrosion control for water systems using tin corrosion inhibitor with a hydroxycarboxylic acid |
CA3020231C (en) | 2016-05-10 | 2024-01-09 | General Electric Company | Nitrogen substituted aromatic triazoles as corrosion control agents |
US20190226094A1 (en) * | 2018-01-19 | 2019-07-25 | Baker Hughes, A Ge Company, Llc | Phosphorous-free, and iron activating agent-free rust removal, inhibition, and passivation |
WO2020205490A1 (en) * | 2019-03-30 | 2020-10-08 | Bl Technologies, Inc. | Concentrated aluminum compositions for aqueous corrosion control |
CN112574720B (zh) * | 2019-09-30 | 2021-12-07 | 中国石油化工股份有限公司 | 一种具有抑制沉积物形成功能的低温传热介质及其制备方法与应用 |
WO2021242492A1 (en) * | 2020-05-28 | 2021-12-02 | Ecolab Usa Inc. | Closed loop cooling water corrosion inhibition employing polymaleates and non-borate buffers |
WO2022076641A1 (en) * | 2020-10-08 | 2022-04-14 | Ecolab Usa Inc. | Corrosion control treatment program |
CN114989029A (zh) * | 2022-04-22 | 2022-09-02 | 南京艾普拉斯生物科技有限公司 | 螯合剂、清洗剂及螯合剂的制备方法 |
JP7456522B1 (ja) | 2022-12-05 | 2024-03-27 | 栗田工業株式会社 | 水系の金属防食処理方法 |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA840626A (en) | 1970-04-28 | Kagan Sholly | Automatic line-by-line dc restorer | |
US2529178A (en) | 1947-12-06 | 1950-11-07 | W H And L D Betz | Method for obtaining corrosion and tuberculation inhibition in water systems |
US2529177A (en) | 1947-12-06 | 1950-11-07 | W H And L D Betz | Corrosion and tuberculation inhibition in water systems |
GB852958A (en) | 1956-08-07 | 1960-11-02 | Union Starch And Refining Comp | Sequestering composition comprising polyhydroxy carboxylic acids and process of making same |
NL219949A (zh) | 1957-08-16 | |||
US3589859A (en) | 1967-10-09 | 1971-06-29 | Exxon Research Engineering Co | Gluconate salt inhibitors |
US3738806A (en) | 1968-01-26 | 1973-06-12 | Monsanto Co | Process for the prevention of corrosion |
US4020101A (en) | 1970-03-28 | 1977-04-26 | Bayer Aktiengesellschaft | α-Alkyl-phosphonosuccinic acid compounds and sequestering compositions containing them |
US3696044A (en) | 1970-07-02 | 1972-10-03 | Atlas Chem Ind | Sequestrant compositions |
DE2258301B2 (de) | 1972-11-29 | 1980-07-17 | Henkel Kgaa, 4000 Duesseldorf | Wasch- und Waschhüfsmittel für Textilien |
DE2313386A1 (de) | 1973-03-17 | 1974-09-19 | Basf Ag | Verfahren zur herstellung von succinimid |
DE2325829C2 (de) | 1973-05-22 | 1982-04-01 | Henkel KGaA, 4000 Düsseldorf | Sequestrierungsmittel |
US3962109A (en) | 1974-12-16 | 1976-06-08 | Nalco Chemical Company | Automotive cleaner plus inhibitor |
US4085060A (en) | 1975-09-23 | 1978-04-18 | Vassileff Neiko I | Sequestering compositions |
US4029577A (en) | 1975-11-17 | 1977-06-14 | Betz Laboratories, Inc. | Polymers for use in water treatment |
DE2614234C2 (de) | 1976-04-02 | 1982-05-27 | Metallgesellschaft Ag, 6000 Frankfurt | Behandlungsflüssigkeit zum Korrosionsschutz von Metalloberflächen und Konzentrat zu deren Herstellung |
FR2358473A1 (fr) | 1976-07-13 | 1978-02-10 | Elf Aquitaine | Procede perfectionne d'inhibition de la corrosion des metaux ferreux en milieu aqueux et notamment en milieu eau de mer |
US4303568A (en) | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
US4372870A (en) | 1981-07-24 | 1983-02-08 | Betz Laboratories, Inc. | Method and composition for treating aqueous mediums |
US4512552A (en) | 1982-11-16 | 1985-04-23 | Katayama Chemical Works Co., Ltd. | Corrosion inhibitor |
JPS59222588A (ja) | 1983-05-31 | 1984-12-14 | Nippon Nohyaku Co Ltd | 水処理剤 |
JPS6079012A (ja) | 1983-10-06 | 1985-05-04 | Nippon Zeon Co Ltd | 水溶性ジカルボン酸イミド系化合物の製造法 |
US4659481A (en) | 1983-10-26 | 1987-04-21 | Betz Laboratories Inc. | Water treatment polymers and methods of use thereof |
US4717499A (en) | 1983-10-26 | 1988-01-05 | Betz Laboratories, Inc. | Water treatment polymers and methods of use thereof |
US4654159A (en) | 1985-06-24 | 1987-03-31 | The Procter & Gamble Company | Ether hydroxypolycarboxylate detergency builders |
JP2608550B2 (ja) * | 1986-10-17 | 1997-05-07 | 株式会社 片山化学工業研究所 | 軟水ボイラの防食処理方法 |
EP0283191A3 (en) | 1987-03-19 | 1989-03-15 | The Dow Chemical Company | Corrosion inhibition of metals in water systems using organic phosphorous derivatives containing carboxyl groups |
US4841069A (en) | 1987-03-30 | 1989-06-20 | Amoco Corporation | Ammonolysis-alkylation reactions using ammonia and an alcohol to prepare N-alkyl maleimides and N-alkyl succinimides |
GB8822144D0 (en) | 1988-09-21 | 1988-10-26 | Ciba Geigy Ag | Compounds |
US5147555A (en) | 1990-05-04 | 1992-09-15 | Betz Laboratories, Inc. | Methods of controlling scale formation in aqueous systems |
US5183590A (en) | 1991-10-24 | 1993-02-02 | W. R. Grace & Co.-Conn. | Corrosion inhibitors |
US5256332A (en) | 1992-11-19 | 1993-10-26 | Betz Laboratories, Inc. | Method of inhibiting corrosion in aqueous systems |
US5468393A (en) | 1993-04-23 | 1995-11-21 | Betz Paperchem, Inc. | Methods of controlling scale formation in the presence of metal ions in aqueous systems |
CA2134908A1 (en) | 1993-11-04 | 1995-05-05 | Kaveh Sotoudeh | Closed cooling system corrosion inhibitors |
GB2309980B (en) | 1996-02-06 | 1998-12-16 | Abbey | Treatment of ferrous metal surfaces |
US5693290A (en) | 1996-04-26 | 1997-12-02 | Betzdearborn Inc. | Inhibition of corrosion in aqueous systems |
US5866042A (en) | 1997-07-18 | 1999-02-02 | Betzdearborn Inc. | Methods and compositions for inhibiting corrosion |
US6585933B1 (en) * | 1999-05-03 | 2003-07-01 | Betzdearborn, Inc. | Method and composition for inhibiting corrosion in aqueous systems |
US6365774B1 (en) | 2000-01-28 | 2002-04-02 | Applied Carbo Chemicals Inc. | Carboxylated surfactants |
US6642192B1 (en) | 2000-01-28 | 2003-11-04 | Applied Carbochemicals Inc | Amphoteric surfactants based upon epoxy succinic acid in personal care applications |
US6641754B2 (en) | 2001-03-15 | 2003-11-04 | Betzdearborn Inc. | Method for controlling scale formation and deposition in aqueous systems |
US6572789B1 (en) | 2001-04-02 | 2003-06-03 | Ondeo Nalco Company | Corrosion inhibitors for aqueous systems |
JP2005217776A (ja) | 2004-01-29 | 2005-08-11 | Kyocera Mita Corp | 文書データ通信装置 |
-
2008
- 2008-10-31 US US12/262,833 patent/US8025840B2/en active Active
-
2009
- 2009-09-28 JP JP2011534571A patent/JP2012507627A/ja not_active Withdrawn
- 2009-09-28 KR KR1020117012331A patent/KR20110081324A/ko not_active Application Discontinuation
- 2009-09-28 WO PCT/US2009/058584 patent/WO2010062461A1/en active Application Filing
- 2009-09-28 MX MX2011004609A patent/MX2011004609A/es active IP Right Grant
- 2009-09-28 BR BRPI0914532A patent/BRPI0914532A2/pt not_active IP Right Cessation
- 2009-09-28 CN CN2009801437925A patent/CN102203322A/zh active Pending
- 2009-09-28 CA CA2740635A patent/CA2740635C/en active Active
- 2009-09-28 EP EP09793057A patent/EP2347034A1/en not_active Withdrawn
-
2011
- 2011-05-16 ZA ZA2011/03585A patent/ZA201103585B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20100111756A1 (en) | 2010-05-06 |
BRPI0914532A2 (pt) | 2015-12-15 |
EP2347034A1 (en) | 2011-07-27 |
CA2740635A1 (en) | 2010-06-03 |
MX2011004609A (es) | 2011-06-24 |
WO2010062461A1 (en) | 2010-06-03 |
US8025840B2 (en) | 2011-09-27 |
CN102203322A (zh) | 2011-09-28 |
JP2012507627A (ja) | 2012-03-29 |
KR20110081324A (ko) | 2011-07-13 |
ZA201103585B (en) | 2012-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2740635C (en) | Compositions and methods for inhibiting corrosion in aqueous media | |
CA2442474C (en) | Corrosion inhibitors for aqueous systems | |
CA2297013C (en) | Scale and/or corrosion inhibiting composition | |
AU2004276245B9 (en) | Use of cerium salts to inhibit manganese deposition in water systems | |
WO2015065733A1 (en) | Corrosion inhibiting compositions and methods | |
CA2740692C (en) | Methods for inhibiting corrosion in aqueous media | |
CA2052706A1 (en) | Inhibition of scale | |
US4931188A (en) | Polymers for boiler water treatment | |
EP0564248A1 (en) | N-(2-hydroxyethyl)-N-bis(methylenephosphonic acid) and corresponding N-oxide thereof for high pH scale control | |
Meier et al. | Cooling water systems: An overview | |
KR101127157B1 (ko) | 냉각시스템용 스케일 형성 억제 수처리 방법 | |
Amjad | Controlling metal ion fouling in industrial water systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |
Effective date: 20150828 |